ocr: Table B a 8 200: $ 150- 100 - 50 MTTTIILitll 8 12 16 20 24 28 32 number of nodes scan and retum execution time à - a speedup for scan and retum Source: GM FGURE2 This graph shows execution times and speed- up of a parallel scan that returns 10 percent of the rows in Table B.
